DE506522C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Production of highly active coal
Assignee: CHEMISCHE WERKE CARBON GES M B
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Filing: 1927-06-11
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Granted: 1930-09-04
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Expires: 1947-06-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-01 07:39
CPC Classifications
C; C01; C01B; C01B32/00; C01B32/30; C01B32/354; C01B32/384
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References Cited (Backward Citations)
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